Re: [GENERAL] 7.4Beta

From: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Jan Wieck <JanWieck(at)Yahoo(dot)com>, Stephan Szabo <sszabo(at)megazone(dot)bigpanda(dot)com>, Christopher Kings-Lynne <chriskl(at)familyhealth(dot)com(dot)au>, Peter Childs <Blue(dot)Dragon(at)blueyonder(dot)co(dot)uk>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: [GENERAL] 7.4Beta
Date: 2003-08-15 22:17:33
Message-ID: 200308152217.h7FMHX317638@candle.pha.pa.us
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Is there a TODO here?

---------------------------------------------------------------------------

Tom Lane wrote:
> Jan Wieck <JanWieck(at)Yahoo(dot)com> writes:
> > I'm thinking instead of a way to "cache" entire executors for this. Each
> > SPI plan used during a transaction would need it's own executor, and I
> > don't know offhand what type and how much resources an executor requires
> > (I think it's only some memory that get's initialized and the VFD's
> > opened).
>
> Hmm. This is probably more feasible now than it would have been a year
> ago, because I did some cleanup work to ensure that executor state is
> localized into a specific memory context. I'm not certain about the
> amount of overhead either, but it's surely worth a try.
>
> regards, tom lane
>

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